<http://schema.org/description>
"Fast Company has published what might be the best, clearest look at the how the contours of the tech landscape are shaping themselves, and how that landscape has come to be dominated by four companies. I was alerted to the article via a tweet by Chronicle tech reporter Casey Newton who characterized the article as a \"great, thorough overview of the big four tech companies and their competitive strategies.\""^^<http://www.w3.org/2001/XMLSchema#string>
<http://archives.sfweekly.com/thesnitch/2011/10/18/what-exactly-is-a-tech-company>